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definitions

keypunch

[kee-puhnch]

noun

Also key punch. Also called card punch. a machine, operated by a keyboard, for coding information by punching holes in cards or paper tape in specified patterns.

verb (used with object)

to punch holes in (a punch card or paper tape), using a keypunch.
to insert (data) into a computer by means of a keypunch: to keypunch code numbers.

Origin of keypunch

First recorded in 1930–35; key1 + punch1
Related formskey·punch·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for keypunch
n.

1933, from key (n.1) + punch (v.).

Online Etymology Dictionary, © 2010 Douglas Harper